CN106730975A - A kind of VOC emission-control equipments and VOC exhaust treatment systems - Google Patents
A kind of VOC emission-control equipments and VOC exhaust treatment systems Download PDFInfo
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- CN106730975A CN106730975A CN201710063651.9A CN201710063651A CN106730975A CN 106730975 A CN106730975 A CN 106730975A CN 201710063651 A CN201710063651 A CN 201710063651A CN 106730975 A CN106730975 A CN 106730975A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D8/00—Cold traps; Cold baffles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/812—Electrons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention relates to VOC exhaust-gas treatments field, in particular to a kind of VOC emission-control equipments and VOC exhaust treatment systems.VOC emission-control equipments include hydrogen peroxide vapor pump, the first magnetic valve, rinse air pump and the cold-trap, the first temperature-humidity monitoring room, the electron irradiation pipe for producing free radical, the second temperature-humidity monitoring room, the second magnetic valve, catalytic unit and the detection pipe that are sequentially connected.The present apparatus can effectively remove that VOC waste gas, treating capacity be big, safe, economical and practical and high degree of automation easy to maintenance.
Description
Technical field
The present invention relates to VOC exhaust-gas treatments field, at a kind of VOC emission-control equipments and VOC waste gas
Reason system.
Background technology
VOC gases, i.e. volatile organic matter；But the definition on environment protection significance refers to that an active class volatility is organic
Thing, i.e., can produce that class volatile organic matter of harm.It includes：It is benzene homologues, organic chloride, freon series, organic
Ketone, amine, alcohol, ether, ester, acid and oil hydrocarbon compound etc..It is most of existing to use biofermentation, heat damage or absorption
Removal VOC waste gas.But these methods removal VOC waste gas steps are excessively cumbersome, and are unable to on-line checking VOC exhaust-gas treatment knots
Really, or it is only capable of carrying out single detection.
Electron beam is common in treatment NOx exhaust-gas treatments, and nitrous oxides exhaust gas are converted into nitric acid cigarette by electron beam irradiation
Sulphur-containing exhaust gas are converted into fumes of sulphuric acid by mist, and then obtain ammonium sulfate and ammoniumnitrate prill thing with the ammoniacal liquor reaction of spray, will be had
Evil gas is converted into the chemical fertilizer with economic worth.
The content of the invention
It is an object of the invention to provide a kind of VOC emission-control equipments, it can effectively remove VOC waste gas, the dress
Put that treating capacity is big, safe and economical material benefit easy to maintenance.
Another object of the present invention is to provide a kind of VOC exhaust treatment systems, it can effectively remove VOC waste gas, drop
The low risk of whole system Fire explosion, and can automatically carry out fire extinguishing treatment.
What embodiments of the invention were realized in：
A kind of VOC emission-control equipments include hydrogen peroxide vapor pump, the first magnetic valve, rinse air pump and connect successively
Cold-trap, the first temperature-humidity monitoring room, the electron irradiation pipe for producing free radical, the second temperature-humidity monitoring room, the second electricity for connecing
Magnet valve, catalytic unit and detection pipe.Cold-trap is provided with the first waste gas inlet pipe.The gas outlet of hydrogen peroxide vapor pump and the first temperature
Room degree monitoring room connection.Communicating pipe is additionally provided between second temperature-humidity monitoring room and the inlet end of detection pipe, the first magnetic valve sets
It is placed on communicating pipe.Air pump is rinsed to be connected with the inlet end of detection pipe.
A kind of VOC exhaust treatment systems include infra red flame sensor, automatically controlled dry-chemical fire extinguishing tank and above-mentioned VOC waste gas dress
Put.VOC exhaust devices and the communication connection of infra red flame sensor, automatically controlled dry-chemical fire extinguishing tank and infra red flame sensor communication link
Connect.
The beneficial effect of embodiment of the present invention VOC emission-control equipments is：Because VOC emission-control equipments of the invention are logical
The organic matter that cold-trap eliminates higher boiling high concentration is crossed, the treating capacity of the waste gas of follow-up equipment is reduced.By electron irradiation pipe energy
Enough fast and effectively produce free radical and enable that free radical quickly reacts with waste gas and then removes most VOC and give up
Gas.Distinguish connecting detection pipe and catalytic unit by setting two magnetic valves, increase the circuit of VOC emission-control equipments detection,
Improve VOC emission-control equipment treating capacities.Each reaction condition for reacting is ensure that by setting two temperature-humidity monitoring rooms,
And then ensure that the treatment effeciency of VOC emission-control equipments.The accuracy that air pump ensure that detection pipe detection is rinsed by setting.
The unit capacity is big, safe and economical material benefit easy to maintenance.
The beneficial effect of the VOC exhaust treatment systems of the embodiment of the present invention is：VOC emission-control equipments are passed with infra red flame
Sensor is communicated to connect, and realizes the situation on fire of automatic monitoring VOC emission-control equipments, improves the safety of whole system
Property.Automatically controlled dry-chemical fire extinguishing tank is communicated to connect with infra red flame sensor, realizes automatic spraying extinguishing chemical when catching fire, and is reduced whole
The risk incidence of set system catches fire blast.Whole system intelligence degree is high, safe and reliable, removal VOC efficiency highs, material disappear
Consumption is few.The material for obtaining stage by stage can also carry out the utilization of another step, save resource.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
The structural representation of the VOC emission-control equipments that Fig. 1 is provided for first embodiment of the invention；
The structural representation of the electron irradiation core engine that Fig. 2 is provided for first embodiment of the invention；
The structure of the catalytic unit that Fig. 3 is provided for first embodiment of the invention is intended to；
The structural representation of the automatically controlled dry-chemical fire extinguishing tank that Fig. 4 is provided for first embodiment of the invention；
The structural representation of the VOC emission-control equipments that Fig. 5 is provided for second embodiment of the invention；
The structural representation of the catalysis element that Fig. 6 is provided for second embodiment of the invention.
Icon：100A-VOC emission-control equipments；100B-VOC emission-control equipments；200- cold-traps；300- first is warm and humid
Degree monitoring room；400- electron irradiation pipes；The second temperature-humidity monitorings of 500- room；201- the first waste gas inlet pipes；The magnetic valves of 503- second；
600- catalytic units；700- detection pipes；800- hydrogen peroxide vapor pumps；410- electron irradiation core engines；Outside 420- electron irradiations
Pipe；430- branch pipes；411- aims at pole；412- hot cathode filaments；413- is primary to accelerate pole；414- focus coils；415- sight lines
Circle；Bis- grades of acceleration poles of 416-；502- communicating pipes；The magnetic valves of 501- first；610- catalytic unit bodies；620- catalysis elements；
611- catalytic reactions chamber；621- air-flow through holes；The closeouts of 630- first；The closeouts of 640- second；643- filter discs；631- second gives up
Gas inlet pipe；641- waste gas outlet pipes；632- sealing rings；The sprues of 633- first；The sprues of 634- second；900- rinses air pump；701- does
Powder fire suppression bottle body；703- fuse cords；705- saucissons at a slow speed；707- powder extinguishing agents；708- sprinkling preparation mouths；910- sources of the gas
Booster pump；623- bulge-structures.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to illustrate, term " first ", " second " etc. are only used for distinguishing description, without
It is understood that to indicate or implying relative importance.
Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.It is following in the case where not conflicting
Feature in embodiment and embodiment can be mutually combined.
First embodiment
As shown in figure 1, the present embodiment provides a kind of VOC emission-control equipments 100A, it includes the cold-trap being sequentially connected
200th, the first temperature-humidity monitoring room 300, the electron irradiation pipe 400 for producing free radical, the second temperature-humidity monitoring room 500,
Two magnetic valves 503, catalytic unit 600 and detection pipe 700.
Cold-trap 200 is used to remove the component of the higher boiling high concentration such as benzene, toluene, styrene in VOC waste gas, and reduction subsequently sets
The exhausted air quantity of standby treatment.Cold-trap 200 is provided with the first waste gas inlet pipe 201 to be used to be passed through VOC waste gas into VOC emission-control equipments
100A.Cold-trap 200 carries out Physical temperature-lowering so that the boiling point in VOC waste gas is high using the difference of each component boiling point in VOC waste gas
Liquid is condensed into by gas in 80 DEG C of components, the bottom of cold-trap 200 is deposited to, and then remove above-mentioned high boiling component.Need
Bright, cold-trap 200 reaches physics and freezes using existing compressor cooling or semiconductor refrigerating.Liquid in cold-trap 200 can
Valuable component is obtained to be extracted again, and is economized on resources, reduce environmental pollution.
It is passed through in the first temperature-humidity monitoring room 300 and hydrogen peroxide vapor, water by the VOC waste gas after the treatment of cold-trap 200
Steam mixes, and monitors humidity and temperature into the mixed gas in electron irradiation pipe 400, to ensure to be shone into electronics
The gas penetrated in pipe 400 meet reaction require, it is ensured that vapor, hydrogen peroxide vapor and high-power electron beam haptoreaction and from
Can be smoothed out in electron irradiation pipe 400 with the redox reaction of VOC waste gas by base.
It should be noted that the qualified temperature of the monitoring of the first temperature-humidity monitoring room 300 is 0 degree of -30 degree, humidity is 40-
70%, while the volume content of vapor accounts for vapor, hydrogen peroxide vapor, the 0.1- of VOC waste gas mixed gas cumulative volumes
2.0%.Warm and humid Control Room uses existing Greenhouse Monitoring device.If the humidity of the monitoring of the first temperature-humidity monitoring room 300 does not meet
It is required that be then adjusted by adjusting vapor, change if temperature is undesirable by the flow of the gas of cold-trap 200 and
The flow of steam is adjusted jointly.
Further, the inlet end of the first temperature-humidity monitoring room 300 is also communicated with hydrogen peroxide vapor pump 800.Peroxidating
Hydrogen vapor pump 800 is used to convey hydrogen peroxide vapor and vapor, is provided to be subsequently generated the free radical with strong oxidizing property
Raw material.It should be noted that the content of hydrogen peroxide is 30-50% in hydrogen peroxide vapor.
Detecting that qualified VOC waste gas is passed into electron irradiation pipe 400 by the first temperature-humidity monitoring room 300 is carried out subsequently
Reaction.Electron irradiation pipe 400 launches free electron, and vapor and hydrogen peroxide vapor produce hydroxyl certainly under the bombardment of electronics
Free radical and ozone with strong oxidizing property by base, oxygen radical etc., VOC waste gas are had the material oxygen of strong oxidizing property by these
Turn to the material of nonhazardous.
It should be noted that electron beam treatment VOC waste gas needs the electron source of high-quality, therefore, the electricity that the present embodiment is provided
Sub- exposure tube 400 is open high energy electron exposure tube.
With reference to Fig. 1 and Fig. 2, further, open high energy electron exposure tube includes electron irradiation core engine 410 and uses
In the electron irradiation outer tube 420 of electrostatic screen.The middle part of electron irradiation outer tube 420 is communicated with the branch pipe for the VOC waste gas that circulates
430.Electron irradiation outer tube 420 is sheathed on outside electron irradiation core engine 410, one end of electron irradiation outer tube 420 and electron irradiation
One end glue envelope of core engine 410.Electron irradiation core engine 410 be used for produce and convey free electron and outside electron irradiation pipe 400
Set electrostatic screen ensure that electronics transport direction do not shift so that electronics can smoothly with vapor, peroxidating
Hydrogen steam is contacted.Meanwhile, the electronics of electron irradiation outer tube 420 provides necessary place with vapor, hydrogen peroxide vapor reaction, with
Complete to process for the first time.Using the electron irradiation pipe 400 overcome requirement of traditional electron irradiation pipe 400 to condition of high vacuum degree with
And need to change the shortcoming of tungsten filament wick often, save later maintenance expense.
Further, electron irradiation core engine 410 includes the aiming pole set gradually along electronic horizon linear transport direction
411st, hot cathode filament 412, primary acceleration pole 413, focus coil 414, aiming coil 415 and two grades of acceleration poles 416.It is hot cloudy
The wire of high temperature launches free electron after the energization of pole filament 412, and free electron is in the presence of pole 411 is aimed at along level side
To motion, and pole 413 is accelerated to obtain electron energy higher and can move to farther distance by primary.Then free electron
Assembled by focus coil 414 and obtain electron beam, electron beam keeps horizontal movement direction by aiming at coil 415, then exists again
In the presence of two grades of acceleration poles 416, bigger kinetic energy is further obtained.
It should be noted that using high-power filament, being obtained in that the electronics of big same amount.Meanwhile, at lift gas
Reason amount, can be passed through VOC waste gas using multiple branch pipes 430, and multiple electron irradiation core engines can be set in electron irradiation pipe 400
410, and further lift treating capacity by the way of radial direction is irradiated.
It is passed into the second temperature-humidity monitoring room 500 by the reacted VOC waste gas of electron irradiation pipe 400.Second is warm and humid
Degree monitoring room 500 is used to monitor the temperature and humidity of the gas that catalytic reaction is carried out into catalytic unit 600.Now, monitoring
Qualified temperature range is 15 degree of -50 degree, and humidity is 40-70%.Can at any time refresh warm and humid using the second temperature-humidity monitoring room 500
Degrees of data is so as to the flow of automatic control and adjustment hydrogen peroxide vapor pump 800.
Further, communicating pipe 502 is additionally provided between the second temperature-humidity monitoring room 500 and the outlet side of detection pipe 700, the
One magnetic valve 501 was arranged on communicating pipe 502.By the VOC waste gas of the removal of electron irradiation pipe 400 by the second temperature-humidity monitoring
Behind room 500, by the first magnetic valve 501, enter into and detected in detection pipe 700, if detecting each in the VOC waste gas for obtaining
Item index meets emission request can then be discharged, and the first magnetic valve 501 is closed if undesirable, open the second magnetic valve
503, VOC waste gas is continued to be passed into catalytic unit 600 carries out catalytic reaction, further removes harmful in VOC waste gas
Material.
With reference to Fig. 1 and Fig. 3, catalytic unit 600 includes catalytic unit body 610 and 8 catalysis elements 620, catalytic unit
Body 610 is provided with catalytic reaction chamber 611.8 catalysis elements 620 are along VOC waste gas circulating direction spread configurations and catalytic reaction chamber
In 611, each catalysis element 620 includes 5 air-flow through holes 621.In the gentle opening 621 in surface of catalysis element 620
Catalyst is attached with, VOC gases are contacted and reacted during flowing with catalyst, and then in removal VOC waste gas
Harmful substance.Meanwhile, the surface area that VOC waste gas is contacted with catalyst is not only increased using air-flow through hole, while reducing gas
The resistance of body circulation.
Preferably, the 1/10-1/5 of the diameter of a diameter of catalysis element 620 of air-flow through hole 621.Now, gas flows through air-flow
Catalysis resistance suffered by each catalysis element 620 is minimum and flow is very fast.The distance between two neighboring catalysis element 620
It is the 2/5-3/5 of the diameter of catalysis element 620.Now, gas flow is big, flow resistance is small and is contacted fully with catalyst.And
Multiple air-flow through holes 621 between two neighboring catalysis element 620 are interspersed, and further increase VOC waste gas with catalysis
The area of agent contact, improves the effect of catalytic reaction, increases the treatment effeciency of VOC emission-control equipments 100A.
It should be noted that the catalyst adhered on the gentle opening 621 in the surface of catalysis element 620 is soaked by solution
It is prepared by stain/calcination technique, will first catalyst heating so that it becomes liquid, will then be provided with the catalysis element of air-flow through hole 621
In 620 intrusion liquid so that the surface of catalysis element 620, air-flow through hole 621 are attached with catalyst liquid, and then calcination so that urge
Agent liquid is changed into solid and sticks on the gentle opening 621 in surface of catalysis element 620 again.Attachment prepared by the method
The peel of catalysis element 620 of catalyst is functional.
It should be noted that catalysis element 620 can be alveolation refractory brick material, attapulgite, rockwool blocks or porous table
The alumina block in face.The quantity of catalysis element 620 can be according to Production requirement, gas treatment amount and the body of catalytic unit 600
Length is reasonably designed, however it is not limited to 8 of the present embodiment offer.Similarly, the number of air-flow through hole 621 can also basis
Treating capacity, number of catalysis element 620 of gas etc. are comprehensively reasonably selected.Air-flow through hole 621 can be in catalysis element
Just opened up before 620 unattached catalyst, also can again open up air-flow through hole after the surface attachment catalyst of catalysis element 620
621。
Referring back to Fig. 3, the body of catalytic unit 600 be respectively arranged at two ends with for block the body of catalytic unit 600 first
The closeouts 640 of closeouts 630 and second.First closeouts 630 are consistent with the structure of the second closeouts 640.First closeouts 630
Including sealing ring 632, the first sprue 633 and the second sprue 634.The end of the first sprue 633 and the end phase of the second sprue 634
Connect and be integrally formed.The middle part of the first sprue 633 is provided with placement sealing ring 632 perpendicular to the surface of VOC waste gas circulating directions
Groove.The diameter of the first sprue 633 less than catalytic reaction chamber 611 diameter, the second sprue 634 with diameter greater than catalytic reaction
The diameter in chamber 611, the diameter of sealing ring 632 and the equal diameters in catalytic reaction chamber 611.Carried out to the body of catalytic unit 600
During sealing, the first sprue 633 and sealing ring 632 are filled in catalytic reaction chamber 611, sealing ring 632 and catalytic reaction chamber 611
Diameter matches and it is sealed just, and the second sprue 634 is located at catalytic converter body.Need to re-replace catalysis element
When 620, the second sprue 634 is firmly outwards dragged, and then drive the first sprue 633 and sealing ring 632 to leave catalytic reaction chamber
611.The catalytic unit 600 can at any time change catalysis element 620, it is ensured that the effect of catalytic reaction, meanwhile, replacement operation letter
Singly, it is easy to safeguard catalytic unit 600.
Preferably, the second waste gas inlet pipe 631 connected with catalytic reaction chamber 611, second are provided with the first closeouts 630
The waste gas outlet pipe 641 connected with catalytic reaction chamber 611, catalytic reaction chamber 611 and waste gas outlet pipe 641 are provided with closeouts 640
Connectivity part be provided with filter disc 643.The filter disc 643 flows through catalysis element 620 and air-flow through hole 621 for retaining VOC waste gas
When the catalyst granules that is blown off.The content of harmful substance in the VOC gases by catalysis is reduced, meanwhile, save retention
Catalyst granules can recycle, reduce the usage amount of catalyst, it is cost-effective.
It is passed into detection pipe 700 by the VOC waste gas of catalytic unit 600 and is detected to judge that VOC exhaust-gas treatments are
It is no up to standard.Meanwhile, the inlet end of detection pipe 700 is also connected with flushing air pump 900.Opened between detection pipe 700 is detected
Rinse air pump 900 and be passed through pure nitrogen gas toward detection pipe 700 is interior, the gas that the sensor surface rinsed in detection pipe 700 may adhere to,
Detection pipe 700 is carried out into school zero, it is accurate with the result for ensureing detection.Meanwhile, by the flushing to sensor, reduce sensor
Quantity, reduces cost simultaneously improve automatization level.
By above-mentioned VOC emission-control equipments, VOC waste gas can quickly, be simply processed, and according to having in VOC waste gas
The content difference of evil material is automatically selected and carries out different treatment, even VOC waste gas by the primary treatment of electron irradiation pipe
It is up to standard, subsequent treatment need not be carried out, Li Tong carries out subsequent treatment again if primary treatment is not up to standard.Enhance VOC exhaust-gas treatments
The range of application of device, increases the treating capacity of device, improves the degree of plant automation.Meanwhile, the apparatus structure is simple,
Safeguard facility.
If electronic beam method treatment VOC waste gas reaches LEL in the presence of certain potential safety hazard, combustible component therein,
May be set off an explosion after high energy electron is irradiated, the accident such as on fire.
Therefore, in order to solve this problem, the present invention also provides a kind of VOC exhaust treatment systems (not shown), the system
Including infra red flame sensor, automatically controlled dry-chemical fire extinguishing tank and above-mentioned VOC emission-control equipments 100A.VOC exhaust-gas treatments are filled
Put 100A to be communicated to connect with infra red flame sensor, automatically controlled dry-chemical fire extinguishing tank is communicated to connect with infra red flame sensor.VOC waste gas
Processing unit 100A is under the monitoring of infra red flame sensor, once just automatically starting fire extinguishing system on fire, electronic startup
Automatically controlled dry-chemical fire extinguishing tank is put out a fire, and reduces the risk incidence of whole system Fire explosion, improves VOC exhaust-gas treatments dress
Put the security of 100A and VOC exhaust treatment systems.
Referring to Fig. 4, automatically controlled dry-chemical fire extinguishing tank is included by the dry-chemical fire extinguishing tank body 701, fuse cord lighted for electric power
703rd, saucisson 705, powder extinguishing agent 707 and sprinkling prepare mouth 708 at a slow speed.The end of fuse cord 703 and at a slow speed saucisson 705
Portion connects, and in dry-chemical fire extinguishing tank body 701, powder extinguishing agent 707 fills up dry-chemical fire extinguishing tank body to saucisson 705 at a slow speed
701, and cover saucisson 705 at a slow speed.Sprinkling preparation mouth 708 is located at the bottom of dry-chemical fire extinguishing tank body 701.When catching fire, by electricity
Fuse cord 703, and then the gunpowder at a slow speed in saucisson 705 at a slow speed that ignites are fired in force, and powder burning produces substantial amounts of dioxy at a slow speed
Change carbon gas.Due to the sealing of automatically controlled dry-chemical fire extinguishing tank, the pressure that inside is born is limited, and as carbon dioxide increases, does
The internal pressure of powder fire suppression bottle body 701 increases, and sprinkling preparation mouth 708 departs from dry-chemical fire extinguishing tank body in the presence of larger pressure
701, and then cause that the powder extinguishing agent 707 in dry-chemical fire extinguishing tank body 701 is sprayed out, put out a fire.Preferably, spray pre-
Standby mouth 708 is the cutting vestige of the 1/3-2/3 wall thickness engraved in the middle part of the bottom of dry-chemical fire extinguishing tank body 701.Sprinkling preparation mouth 708
The mode of being set to is more convenient for the sprinkling of powder extinguishing agent 707, and the time of powder extinguishing agent 707 is saved in sprinkling.
Further, the VOC exhaust treatment systems of the present embodiment use 64 arm processors as controlling organization core
(core processors of Botong BCM28371.2GHz tetra-, 1GB RAM and VideoCore IV GPU.), while take into account manually operated, its
Include modular master control borad, sensor board, there is provided WIFI and RJ45 broadband interfaces, be easy to implement network remote monitoring with behaviour
The purpose of work, improves the convenience and security of management, has saved personnel, reduces cost.
Second embodiment
The VOC that the structure of the VOC emission-control equipments 100B provided referring to Fig. 5, the present embodiment is provided with first embodiment
The structure of emission-control equipment 100A is roughly the same, and difference is that the VOC emission-control equipments 100B that the present embodiment is provided is more
There is provided an air source pressurizing pump 910, is slightly different and catalysis element 620 using the structure of different electron irradiation pipes 400
Structure is slightly different.
Air source pressurizing pump 910 is located on the first waste gas inlet pipe 201, the VOC waste gas to being passed through VOC emission-control equipments 100B
Pressurization, the treating capacity for increasing cold-trap 200 accelerates the power of VOC waste gas flowing simultaneously.Further, lifting VOC exhaust-gas treatments dress
Put the ability of 100B.
The electron irradiation pipe 400 of the present embodiment is high-pressure electronic exposure tube, and it uses the bigger acceleration pole of spacing to improve electricity
Sub- energy, prevents air breakdown, obtains exhaust-gas treatment effect higher.
Referring to Fig. 6, the surface of catalysis element 620 is provided with multiple bulge-structures 623, and the bulge-structure 623 is used to increase VOC
The contact area of waste gas and catalyst.It should be noted that the quantity of bulge-structure 623 can be according to the surface of catalysis element 620
Size is reasonably set.Bulge-structure 623 can not only be provided at the surface of catalysis element 620 and can also be arranged on each urges
Change on the corresponding inwall of air-flow through hole 621 of element 620.Meanwhile, in order to increase contact area, bulge-structure can be not only set
623, it is also possible to which sunk structure is set.
In sum, the present invention removes the high concentration height boilings such as the benzene, toluene, the styrene that contain in VOC waste gas by cold-trap
Point component, reduces pollutant process amount.By providing two kinds of different electron irradiation pipes, the electricity of the organic matter needed for alignment processing
The energy of son, enhances the applicability and specific aim of VOC emission-control equipments, also overcomes conditional electronic rifle to condition of high vacuum degree
Demand and often need change tungsten filament wick shortcoming, saved later maintenance expense.By setting two magnetic valves, realize
The detection VOC exhaust-gas treatment situations of multichannel, further improve the practicality of VOC emission-control equipments.Saved in detection
Point controls the sampling of each treatment node and sensor to rinse using magnetic valve with air pump is rinsed, and reduces number of sensors, drops
Low cost, improves automatization level.Simultaneously by setting infra red flame sensor and automatically controlled dry-chemical fire extinguishing tank, improve
The security of VOC exhaust treatment systems.
Upper described only the preferred embodiments of the present invention, are not intended to limit the invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of VOC emission-control equipments, it is characterised in that including hydrogen peroxide vapor pump, the first magnetic valve, rinse air pump,
And cold-trap, the first temperature-humidity monitoring room, the electron irradiation pipe for producing free radical, the second temperature-humidity monitoring being sequentially connected
Room, the second magnetic valve, catalytic unit and detection pipe；The cold-trap is provided with the first waste gas inlet pipe, the hydrogen peroxide vapor
The gas outlet of pump and first greenhouse degree monitoring room connect, the inlet end of the second temperature-humidity monitoring room and the detection pipe
Between be additionally provided with communicating pipe, first magnetic valve was arranged on the communicating pipe；It is described to rinse air pump and the detection pipe
Inlet end is connected.
2. VOC emission-control equipments according to claim 1, it is characterised in that the VOC emission-control equipments also include
Air source pressurizing pump, the air source pressurizing pump is on the first waste gas inlet pipe.
3. VOC emission-control equipments according to claim 1, it is characterised in that the electron irradiation pipe is open height
Can electron irradiation pipe.
4. VOC emission-control equipments according to claim 3, it is characterised in that the open high energy electron exposure tube
Including electron irradiation core engine and the electron irradiation outer tube for electrostatic screen, it is communicated with the middle part of the electron irradiation outer tube
For the branch pipe of the VOC waste gas that circulates, the electron irradiation outer tube sleeve is located at outside the electron irradiation core engine, the electronics
One end glue of one end and the electron irradiation core engine for irradiating outer tube is sealed.
5. VOC emission-control equipments according to claim 3, it is characterised in that the electron irradiation core engine includes edge
Aiming pole that electronic horizon linear transport direction sets gradually, the hot cathode filament for launching free electron, it is primary accelerate pole,
For focusing on the focus coil of electron beam, aiming at coil and two grades of acceleration poles.
6. VOC emission-control equipments according to claim 1, it is characterised in that the catalytic unit includes catalytic unit
Body and multiple catalysis elements, the catalytic unit body are provided with catalytic reaction chamber, the two ends difference of the catalytic unit body
The first closeouts and the second closeouts for blocking the catalytic unit body are provided with, the multiple catalysis element is along described
In VOC waste gas circulating direction spread configurations and the catalytic reaction chamber, each described catalysis element includes multiple air-flow through holes.
7. VOC emission-control equipments according to claim 6, it is characterised in that the two neighboring catalysis element it is many
The individual air-flow through hole is interspersed.
8. a kind of VOC exhaust treatment systems, it is characterised in that including infra red flame sensor, automatically controlled dry-chemical fire extinguishing tank and power
Profit requires the VOC emission-control equipments described in 1-7 any one, and the VOC emission-control equipments are sensed with the infra red flame
Device is communicated to connect, and the automatically controlled dry-chemical fire extinguishing tank is communicated to connect with the infra red flame sensor.
9. VOC exhaust treatment systems according to claim 8, it is characterised in that the automatically controlled dry-chemical fire extinguishing tank includes logical
The fuse cord of cross dry powder fire suppression bottle body, lighting for electric power, at a slow speed saucisson, powder extinguishing agent and sprinkling preparation mouth, institute
State fuse cord to be connected with the end of the saucisson at a slow speed, the saucisson at a slow speed is located in the dry-chemical fire extinguishing tank body, institute
State powder extinguishing agent and fill up the dry-chemical fire extinguishing tank body, and saucisson at a slow speed described in covering, the sprinkling preparation mouth is located at institute
State dry-chemical fire extinguishing tank body bottom portion.
10. VOC exhaust treatment systems according to claim 9, it is characterised in that the sprinkling preparation mouth is the dry powder
The cutting vestige of the 1/3-2/3 wall thickness engraved in the middle part of fire suppression bottle body bottom portion.
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| CN201710063651.9A CN106730975A (en) | 2017-02-03 | 2017-02-03 | A kind of VOC emission-control equipments and VOC exhaust treatment systems |
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